I'm still pretty useless with Linux, but I'm trying to learn

https://sh.itjust.works/post/16046418

I'm still pretty useless with Linux, but I'm trying to learn - sh.itjust.works

Where does this System Information come from?
My guess is conky. I use it too but mine doesn’t look anywhere near as nice as OP’s does.
Conky - ArchWiki

Can’t take any credit, but found this after doing some searching

github.com/andeon/conky-simple

GitHub - andeon/conky-simple: Simple - Conky theme

Simple - Conky theme. Contribute to andeon/conky-simple development by creating an account on GitHub.

GitHub
Much appreciated!